Bright Yellow Color Polyurethane Chain Extender MOCA with High-Temperature Resistance and Color Stability

Price Negotiable
Price: To be negotiated
MOQ: 1200KG
Delivery Time: 5-8 work days
Brand: EXCEEDCHEM
Product Description
Bright Yellow Color Polyurethane Chain Extender MOCA
Bright Yellow Color Polyurethane Chain Extender MOCA is a high-performance aromatic diamine chain extender and curing agent designed for polyurethane systems with exceptional color stability and thermal resistance.
Product Attributes
Attribute Value
Product name Bright Yellow Color Polyurethane Chain Extender MOCA
Appearance Yellow Flake
Storage Be airtight in a dry area and away from sunlight
Melting point 97℃
Molecular Weight 267.16
Chemical Information
Chemical Name 3,3' dichloro 4,4' diaminodiphenylmethane
Molecular Formula C13H12N2Cl2
Molecular Weight 267.16
Specifications
Parameter Specification
Appearance Pale yellow granule
Melting point ≥97
Moisture < 0.30
Solid density (24 ℃)g*cm³ 1.44
Liquid density (107 ℃)g* ml⁻¹ 1.26
Amine equivalent 131-136
Free amine, % < 1.00
Color (Gardner) < 4
Aceton insoluble matter, % < 0.04
Hygroscopicity None
Storage Be airtight in a dry area and away from sunlight
Solubility
Easily soluble in Aceton DMF, DMSO, MEK and THF. Soluble in ethanol, and benzene. Insoluble in water.
Safety
LD50 (rats) 5000 mg/kg. Wear mask, gloves and goggles when handling.
Advantages
MOCA-HR features outstanding high-temperature resistance and color stability. When repeatedly heated to temperatures as high as 150 °C, its molten state stays pale yellow, clear and transparent with no visible changes in appearance.
Applications
MOCA-HR functions as an effective aromatic diamine chain extender and curing agent in polyurethane systems. It is applicable to the fabrication of multiple light-colored cast polyurethane elastomer components with casting machines, and can also be used as a stable curing agent for epoxy resins.
Packaging
50kg net weight in carton drum with black polyethylene liner.

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Company Qingdao Exceed Fine Chemicals Co.,Ltd
Location Room 602, Building No. 9, Guoxin Haichuang Industrial Park, No. 50 Binhai Road, Jimo District, Qingdao, Shandong, China. 266000
Contact Person Louis.liu

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